Characteristics analysis and annual assessment of main agro-meteorological disasters in Qingyang city

doi:10.14088/j.cnki.issn0439-8114.2021.02.008

Abstract

Abstract: Based on the disaster data of many years in Qingyang city, the temporal and spatial distribution characteristics of agro-meteorological disasters were analyzed, and the disaster rate and its standardized value were used to carry out the classification and annual assessment of agro-meteorological disasters. The results showed that the main agro-meteorological disasters were hail, rainstorm, flood, drought and low-temperature freeze damage in Qingyang city, which were affected by agro-meteorological disasters in different degrees every year; The number of meteorological disasters was less in autumn and winter, and more in spring, summer and early autumn. The meteorological disasters were mainly concentrated in April to September, and more obvious in June to August; The agricultural disasters caused by drought were the most serious, followed by hail disaster, rainstorm flood and low-temperature freeze disaster were the least; The agricultural meteorological disaster in tableland area was relatively less, the degree of disaster was relatively light, and the weather phenomenon in mountains area was complex, and the degree of disaster was serious; The degree of agricultural disaster caused by hail disaster was all below the level of major disaster, and the extreme degree of rainstorm flood, drought and low-temperature freeze disaster was obvious, and the frequency of light disaster year was the most in the annual assessment.

Key words: agro-meteorological disaster, spatiotemporal distribution, disaster rate, annual assessment

CLC Number:

HAN Jing, ZHANG Mou-cao, LU Ya-qi, ZHANG Hong-fen, CAO Yan-chao. Characteristics analysis and annual assessment of main agro-meteorological disasters in Qingyang city[J]. HUBEI AGRICULTURAL SCIENCES, 2021, 60(2): 44-49.

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